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Marysya12 [62]
2 years ago
6

Help me with this question please

Physics
2 answers:
vichka [17]2 years ago
7 0

Answer:

Its true i'm pretty sure

Explanation:

lys-0071 [83]2 years ago
7 0

Answer:

The answer is True

Explanation:

because it is and I suck at explaining

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Why do you want the water to drip off the metal before it is placed in the calorimeter?
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(A) The mass and the initial temperature of the calorimeter water will be incorrect and affect the calculation of the specific heat capacity of the metal.

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3 years ago
the (speed) of an object is a vector quantity that tells us the speed and direction of an objects momentum is this correct? If n
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Use the techniques to find the unit for speed​
stellarik [79]

Answer:

The formula for speed is speed=<u>d</u><u>i</u><u>s</u><u>t</u><u>a</u><u>n</u><u>c</u><u>e</u>

time

Explanation:

to work out what the units are for speed,you need to know the units for distance and time.In this example,distance is in metres(m) and time is in seconds (s) , so the units for speed is metre per second (m/s).

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3 years ago
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An object at rest does not _____ and an object in motion does not _____, unless an _____ force acts upon it
mel-nik [20]

Answer:

An object at rest does not move and an object in motion does not change its velocity, unless an external force acts upon it

Explanation:

This statement is also known as Newton's first law, or law of  inertia.

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- If an object is at rest, it will remain at rest if there is no force acting on it

- If an object is moving, it will continue moving at constant velocity if there is no force acting on it

This phenomenon can be also understood by looking at Newton's second law:

F = ma

where

F is the net force on an object

m is the mass

a is the acceleration

If the net force is zero, F = 0, the acceleration of the object is also zero, a = 0: therefore, the velocity of the object does not change, and it will continue moving at the same velocity (which can be zero, if the object was at rest).

5 0
3 years ago
Which of the following statements about stress management is TRUE?
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A

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Basically all the other answer are opposites like Exercise is an effective way to relieve stress and lots of Stress does have Negative effects on people

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